A support steel joint

Abstract

The present invention discloses a support steel flexible head, which belongs to the technical field of steel support installation auxiliary equipment, and includes: a fixed component and a movable component, one end of the movable component is connected to the fixed component, two guide components are respectively arranged at the two ends of one side of the first end plate component, one end of each guide component is fixedly connected to the first end plate component, two first limit plates are respectively fixedly connected to the other ends of the two guide components, two first load-bearing plates are respectively arranged at the two ends of one side of the second end plate component, one end of each first load-bearing plate is respectively fixedly connected to the second end plate component, two guide bearing members are respectively fixedly connected to the other ends of the two first load-bearing plates, two first guide bearing members are respectively slidably connected to the two guide components, and two first limit plates are respectively limitedly matched with the two first guide bearing members. When the flexible head of the present invention is subjected to pressure, the movable component will not bend, and it has the advantages of simple structure and convenient installation and disassembly.

Description

Technical Field

[0001] The invention relates to the technical field of steel support installation auxiliary equipment, in particular to a support type steel movable head. Background Art

[0002] In the process of the country's vigorous development of infrastructure, the development direction has gradually extended from the ground to the underground, so that the underground space resources, such as tunnels, subways, and underground foundation pits, can be reasonably and fully utilized while ensuring that the buildings on the ground remain unchanged.

[0003] At present, the structure of the active end of the steel support in the foundation pit project generally adopts a structure in which steel wedges are driven in to fill the drawer-shaped wedge groove. There are many problems in the actual construction application, such as: poor integrity, the steel wedges are easy to fall off when the axial force changes, if the steel wedges are forcibly inserted, the steel wedges are prone to stress concentration and eccentric force, and the pre-axial force is easy to lose, which does not meet the design principle of "strong nodes and weak components" of the overall structure. Especially when the soil is soft, the stratum at the upper steel support is prone to deformation outside the foundation pit, causing the steel support to loosen and fall off, and it is easy to bend under pressure. Summary of the invention

[0004] In view of the above-mentioned problem that the existing active heads are prone to bending, the present invention aims to provide a supporting steel active head, in which a guide assembly is arranged on the fixed component, and a first slide groove and a second slide groove are arranged on the guide assembly. The first slide groove and the second slide groove not only guide the first guide load-bearing member, but also limit the first guide load-bearing member to move only along the first slide groove and the second slide groove. When the active head is subjected to pressure, the movable parts will not bend. The active head has the advantages of simple structure and easy installation and disassembly.

[0005] The specific technical solutions are as follows:

[0006] A supporting steel joint, characterized by comprising:

[0007] A fixing component, the fixing component comprising: a first end plate assembly, at least two guide assemblies, and at least two first limit plates, the two guide assemblies are respectively arranged at two ends of one side of the first end plate assembly, one end of each guide assembly is fixedly connected to the first end plate assembly, and the two first limit plates are respectively fixedly connected to the other ends of the two guide assemblies;

[0008] A movable component, one end of which is connected to the fixed component, and the movable component includes: a second end plate assembly, at least two first load-bearing plates, and at least two first guide load-bearing members, the two first load-bearing plates are respectively arranged at the two ends of one side of the second end plate assembly, one end of each of the first load-bearing plates is respectively fixedly connected to the second end plate assembly, the two first guide load-bearing members are respectively fixedly connected to the other ends of the two first load-bearing plates, the two first guide load-bearing members are respectively slidably connected to the two guide assemblies, and the two first limiting plates are respectively limited by the two first guide load-bearing members, and the first guide plate and the second guide plate are respectively slidably connected to the first load-bearing plate.

[0009] The above-mentioned supporting steel joint is characterized in that each of the guide components includes: a first guide plate and a second guide plate, and the first guide plate and the second guide plate are symmetrically arranged on both sides of a corresponding first load-bearing plate.

[0010] The above-mentioned supporting steel movable head is characterized in that at least two first slide grooves are arranged on the first guide plate, and one side of the two first guide load-bearing members are respectively slidably connected to the two first slide grooves, and at least two second slide grooves are arranged on the second guide plate, and the other side of the two first guide load-bearing members are respectively slidably connected to the two second slide grooves.

[0011] The above-mentioned supporting steel joint is characterized in that it also includes: at least two plugs, a semi-enclosed space is formed between each of the first guide plates and the second guide plate corresponding to the first guide plate, one of the plugs is arranged in the semi-enclosed space, and one of the plugs is limitedly matched with one of the first load-bearing plates.

[0012] The above-mentioned supporting steel joint is characterized in that the first end plate assembly comprises:

[0013] A first terminal connection plate;

[0014] At least two first side sealing plates, one end of each of the first side sealing plates is fixedly connected to one end of the first end connection plate, and each of the first side sealing plates is provided with at least two fixing through holes and at least two lifting through holes;

[0015] The first intermediate connecting plate, the other end of each of the first side sealing plates is fixedly connected to one end of the first intermediate connecting plate, and one end of each of the guide components is fixedly connected to the other end of the first intermediate connecting plate.

[0016] The above-mentioned supporting steel joint is characterized in that the second end plate assembly comprises:

[0017] A second terminal connecting plate;

[0018] At least two second side sealing plates, one end of each of the second side sealing plates is fixedly connected to one end of the second end connection plate, and each of the second side sealing plates is provided with at least two of the fixing through holes and at least two of the hoisting through holes;

[0019] The second intermediate connecting plate, the other end of each of the second side sealing plates is fixedly connected to one end of the second intermediate connecting plate, and the other end of each of the guide components is fixedly connected to the other end of the second intermediate connecting plate.

[0020] The above-mentioned supporting steel joint is characterized in that the other end of each of the first load-bearing plates is provided with at least two first through grooves, and the two first guide load-bearing members respectively penetrate the two first through grooves and are fixedly connected to the two first load-bearing plates.

[0021] The above-mentioned supporting steel joint is characterized in that the fixing component also includes: a first pad, one side of the first pad is fixedly connected to one side of one of the first guide plates, and the other side of the first pad is fixedly connected to one side of another of the first guide plates.

[0022] The above-mentioned supporting steel movable head is characterized in that the movable component also includes: a second pad, one side of the second pad is fixedly connected to one side of the first load-bearing plate, and the other side of the second pad is fixedly connected to one side of another first load-bearing plate.

[0023] The above-mentioned supporting steel movable head is characterized in that at least two third sliding grooves are arranged on the first pad, at least two first sliding blocks are arranged on the second pad, and a number of the first sliding blocks are slidably connected with a number of the third sliding grooves.

[0024] Compared with the prior art, the above technical solution has the following positive effects:

[0025] The present invention provides a guide assembly on the fixed component, and the guide assembly is provided with a first slide groove and a second slide groove. The first slide groove and the second slide groove guide the first guide load-bearing member and also limit the first guide load-bearing member to move only along the first slide groove and the second slide groove. When the active head is subjected to pressure, the movable part will not bend. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the assembly structure of a supporting steel joint of the present invention;

[0027] Figure 2 It is a structural schematic diagram of a fixing component of a supporting steel joint head of the present invention;

[0028] Figure 3This is a schematic diagram of the structure of the movable parts of a supporting steel joint head of the present invention;

[0029] Figure 4 It is a structural schematic diagram of a first end connecting plate and a second end connecting plate of a supporting steel joint of the present invention;

[0030] Figure 5 It is a structural schematic diagram of a first side sealing plate and a second side sealing plate of a supporting steel joint head of the present invention;

[0031] Figure 6 It is a structural schematic diagram of a first load-bearing plate supporting a steel joint head according to the present invention;

[0032] Figure 7 It is a structural schematic diagram of a first pad supporting a steel joint head according to the present invention;

[0033] Figure 8 The present invention is a schematic diagram of the second pad structure of a supporting steel joint.

[0034] In the accompanying drawings: 1. fixed component; 2. movable component; 3. first end plate assembly; 4. guide assembly; 5. first limit plate; 6. second end plate assembly; 7. first load-bearing plate; 8. first guide load-bearing member; 9. first guide plate; 10. second guide plate; 13. first end connecting plate; 14. first side sealing plate; 15. first intermediate connecting plate; 16. second end connecting plate; 17. second side sealing plate; 18. second intermediate connecting plate; 19. first through groove; 20. first pad; 21. second pad; 22. third slide groove; 23. first slide block; 24. fixing through hole; 25. lifting through hole; 26. first stop plate; 27. screw. DETAILED DESCRIPTION

[0035] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0036] Figure 1 This is a schematic diagram of the assembly structure of a supporting steel joint according to the present invention. Figure 2 This is a schematic diagram of the structure of the fixing components of a supporting steel joint head according to the present invention. Figure 3 This is a schematic diagram of the structure of the movable parts of a supporting steel joint head of the present invention. Figure 4 This is a structural schematic diagram of a first end connecting plate and a second end connecting plate of a supporting steel joint according to the present invention. Figure 5 This is a structural schematic diagram of a first side sealing plate and a second side sealing plate of a supporting steel joint head of the present invention. Figure 6 This is a structural schematic diagram of a first load-bearing plate supporting a steel joint head according to the present invention. Figure 7 This is a schematic structural diagram of a first pad supporting a steel joint head according to the present invention. Figure 8 This is a schematic diagram of the second pad structure of a supporting steel joint head of the present invention, as shown in Figures 1 to 8 As shown, a preferred embodiment of a supporting steel movable head is shown, comprising: a fixed component 1 and a movable component 2, one end of the movable component 2 is connected to the fixed component 1, the fixed component 1 comprises: a first end plate assembly 3, at least two guide components 4, at least two first limit plates 5, the two guide components 4 are respectively arranged at the two ends of one side of the first end plate assembly 3, one end of each guide component 4 is fixedly connected to the first end plate assembly 3, and the two first limit plates 5 are respectively fixedly connected to the other ends of the two guide components 4, the movable component 2 comprises: a second end plate assembly 6, at least two first load-bearing plates 7, at least two first guide bearing members 8, the two first load-bearing plates 7 are respectively arranged at the two ends of one side of the second end plate assembly 6, one end of each first load-bearing plate 7 is respectively fixedly connected to the second end plate assembly 6, the two first guide bearing members 8 are respectively fixedly connected to the other ends of the two first load-bearing plates 7, the two first guide bearing members 8 are respectively slidably connected to the two guide components 4, and the two first limit plates 5 are respectively limited by the two first guide bearing members 8.

[0037] Preferably, one end of each guide assembly 4 is welded to the first end plate assembly 3, each first limit plate 5 is welded to the other end of the guide assembly 4, one end of each first load-bearing plate 7 is welded to the second end plate assembly 6, and each first guide load-bearing member 8 is welded to the other end of the two first load-bearing plates 7.

[0038] Further, as a preferred embodiment, each guide assembly 4 includes: a first guide plate 9 and a second guide plate 10 , and the first guide plate 9 and the second guide plate 10 are symmetrically arranged on both sides of a corresponding first load-bearing plate 7 .

[0039] Furthermore, as a preferred embodiment, at least two first slide grooves are provided on the first guide plate 9, and one side of the two first guide load-bearing members 8 are respectively slidably connected to the two first slide grooves, and at least two second slide grooves are provided on the second guide plate 10, and the other side of the two first guide load-bearing members 8 are respectively slidably connected to the two second slide grooves.

[0040] The above are only preferred embodiments of the present invention, and are not intended to limit the implementation and protection scope of the present invention.

[0041] The present invention also has the following implementation modes based on the above:

[0042] In further embodiments of the present invention, please continue to refer to Figures 1 to 8As shown, a supporting steel joint also includes: at least two plugs, a semi-enclosed space is formed between each first guide plate 9 and a second guide plate 10 corresponding to the first guide plate 9, a plug is arranged in the semi-enclosed space, and a plug is limitedly matched with a first load-bearing plate 7, so as to achieve the purpose of preventing the fixed component 1 and the movable component 2 from moving under pressure.

[0043] Further, as a preferred embodiment, the first end plate assembly 3 includes: a first end connecting plate 13, at least two first side sealing plates 14 and a first middle connecting plate 15, one end of each first side sealing plate 14 is fixedly connected to one end of the first end connecting plate 13, each first side sealing plate 14 is provided with at least two fixing through holes 24 and at least two lifting through holes 25, the other end of each first side sealing plate 14 is fixedly connected to one end of the first middle connecting plate 15, and one end of each guide assembly 4 is fixedly connected to the other end of the first middle connecting plate 15.

[0044] Preferably, the fixing through hole 24 is a bolt hole, and the lifting through hole 25 is a rectangular through hole. The first side cover plate 14 is detachably connected to the steel purlin in the foundation pit support by screws 27, and the lifting through hole 25 is used for lifting the fixed part 1 and the movable part 2 of the movable head.

[0045] Preferably, the first end connecting plate 13 and the first intermediate connecting plate 15 are both steel plates with rectangular cross-sections, and the first end connecting plate 13 and the first intermediate connecting plate 15 are both symmetrically arranged along the center line of the first end connecting plate 13, and the length of the first end connecting plate 13 is equal to the length of the first intermediate connecting plate 15, and the two first side sealing plates 14 are symmetrically arranged along the center line of the first end connecting plate 13.

[0046] Preferably, the fixing through hole 24 and the lifting through hole 25 are symmetrically arranged along the center line of the first end connecting plate 13 .

[0047] Further, as a preferred embodiment, the second end plate assembly 6 includes: a second end connecting plate 16, at least two second side sealing plates 17 and a second intermediate connecting plate 18, one end of each second side sealing plate 17 is fixedly connected to one end of the second end connecting plate 16, each second side sealing plate 17 is provided with at least two fixing through holes 24 and at least two lifting through holes 25, the other end of each second side sealing plate 17 is fixedly connected to one end of the second intermediate connecting plate 18, the other end of each guide assembly 4 is fixedly connected to the other end of the second intermediate connecting plate 18, the first end connecting plate 13, the two first side sealing plates 14, and the first intermediate connecting plate 15 form a box-type structure, and the second end connecting plate 16, the two second side sealing plates 17, and the second intermediate connecting plate 18 form another box-type structure.

[0048] Preferably, the second end connecting plate 16 and the second intermediate connecting plate 18 are both steel plates with rectangular cross-sections, and the second end connecting plate 16 and the second intermediate connecting plate 18 are both symmetrically arranged along the center line of the second end connecting plate 16, and the length of the second end connecting plate 16 is equal to the length of the second intermediate connecting plate 18, and the two second side sealing plates 17 are symmetrically arranged along the center line of the second end connecting plate 16.

[0049] Preferably, after the fixed component 1 and the movable component 2 are assembled, the center line of the first end connecting plate 13 coincides with the center line of the second end connecting plate 16 .

[0050] Furthermore, as a preferred embodiment, at least two first through slots 19 are provided at the other end of each first load-bearing plate 7 , and the two first guide load-bearing members 8 respectively penetrate the two first through slots 19 and are fixedly connected to the two first load-bearing plates 7 .

[0051] Preferably, each through groove is a rectangular through groove, and the two first guide load-bearing members 8 are welded in the two rectangular grooves of the two first load-bearing plates 7 .

[0052] Furthermore, as a preferred embodiment, the fixing component 1 also includes: a first pad 20, one side of the first pad 20 is fixedly connected to one side of a first guide plate 9, and the other side of the first pad 20 is fixedly connected to one side of another first guide plate 9.

[0053] Preferably, one side of the first pad 20 is welded to one side of a first guide plate 9 , and the other side of the first pad 20 is welded to one side of another first guide plate 9 .

[0054] Furthermore, as a preferred embodiment, the movable component 2 also includes: a second pad 21, one side of the second pad 21 is fixedly connected to one side of a first load-bearing plate 7, and the other side of the second pad 21 is fixedly connected to one side of another first load-bearing plate 7.

[0055] One side of the second pad 21 is welded to one side of a first bearing plate 7 , and the other side of the second pad 21 is welded to one side of another first bearing plate 7 .

[0056] Further, as a preferred embodiment, at least two third slide grooves 22 are provided on the first pad 20 , at least two first sliders 23 are provided on the second pad 21 , and a plurality of first sliders 23 are slidably connected to a plurality of third slide grooves 22 .

[0057] The installation method of the present invention is: first, the movable component 2 and the fixed component 1 are respectively pushed against the two sides of the supported object, and then the distance between the movable component 2 and the fixed component 1 is adjusted by the pushing device. After the distance is adjusted, a plug is inserted between the first guide plate 9 and the second guide plate 10 of the fixed component 1, thereby achieving the pushing effect. Since the first guide load-bearing member 8 can only slide in the first slide groove and the second slide groove of the guide assembly 4, and since the first guide load-bearing member 8 is a rectangular parallelepiped, the first slide groove and the second slide groove are also square slides, thereby preventing the fixed component 1 and the movable component 2 from bending during operation.

[0058] The present invention provides a guide assembly 4 on the fixed component, and the guide assembly 4 is provided with a first slide groove and a second slide groove. The first slide groove and the second slide groove guide the first guide load-bearing member 8 while also limiting the first guide load-bearing member 8 to move only along the first slide groove and the second slide groove. When the movable head is subjected to pressure, the fixed component 1 and the movable component 2 will not bend.

[0059] The above are only preferred embodiments of the present invention, and are not intended to limit the implementation methods and protection scope of the present invention. Those skilled in the art should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A supporting steel joint head, It is characterized in that include: A fixing component, the fixing component comprising: a first end plate assembly, at least two guide assemblies, and at least two first limit plates, the two guide assemblies are respectively arranged at two ends of one side of the first end plate assembly, one end of each guide assembly is fixedly connected to the first end plate assembly, and the two first limit plates are respectively fixedly connected to the other ends of the two guide assemblies; A movable component, one end of which is connected to the fixed component, and the movable component comprises: a second end plate assembly, at least two first load-bearing plates, and at least two first guide force-bearing members, the two first load-bearing plates are respectively arranged at the two ends of one side of the second end plate assembly, one end of each of the first load-bearing plates is respectively fixedly connected to the second end plate assembly, the two first guide force-bearing members are respectively fixedly connected to the other ends of the two first load-bearing plates, the two first guide force-bearing members are respectively slidably connected to the two guide assemblies, and the two first limiting plates are respectively limitedly matched with the two first guide force-bearing members; Each of the guide assemblies comprises: a first guide plate and a second guide plate, wherein the first guide plate and the second guide plate are symmetrically arranged on two sides of a corresponding first bearing plate, and the first guide plate and the second guide plate are respectively slidably connected to the first bearing plate; It also includes: at least two iron plugs, a semi-enclosed space is formed between each of the first guide plates and the second guide plate corresponding to the first guide plate, one of the iron plugs is arranged in the semi-enclosed space, and one of the iron plugs is limitedly matched with one of the first load-bearing plates.

2. A support steel joint according to claim 1, It is characterized in that At least two first slide grooves are arranged on the first guide plate, and one side of the two first guide load-bearing members are respectively slidably connected to the two first slide grooves; at least two second slide grooves are arranged on the second guide plate, and the other side of the two first guide load-bearing members are respectively slidably connected to the two second slide grooves.

3. A support steel joint according to claim 1, It is characterized in that The first end plate assembly comprises: A first end connection plate; At least two first side sealing plates, one end of each of the first side sealing plates is fixedly connected to one end of the first end connection plate, and each of the first side sealing plates is provided with at least two fixing through holes and at least two lifting through holes; The first intermediate connecting plate, the other end of each of the first side sealing plates is fixedly connected to one end of the first intermediate connecting plate, and one end of each of the guide components is fixedly connected to the other end of the first intermediate connecting plate.

4. A support steel joint according to claim 3, It is characterized in that The second end plate assembly comprises: A second terminal connecting plate; At least two second side sealing plates, one end of each of the second side sealing plates is fixedly connected to one end of the second end connection plate, and each of the second side sealing plates is provided with at least two of the fixing through holes and at least two of the hoisting through holes; The second intermediate connecting plate, the other end of each of the second side sealing plates is fixedly connected to one end of the second intermediate connecting plate, and the other end of each of the guide components is fixedly connected to the other end of the second intermediate connecting plate.

5. A support steel joint according to claim 4, It is characterized in that The other end of each of the first load-bearing plates is provided with at least two first through slots, and the two first guide load-bearing members respectively penetrate the two first through slots and are fixedly connected to the two first load-bearing plates.

6. A support steel joint according to claim 1, It is characterized in that The fixing component further includes: a first pad, one side of the first pad is fixedly connected to one side of one of the first guide plates, and the other side of the first pad is fixedly connected to one side of another of the first guide plates.

7. A support steel joint according to claim 6, It is characterized in that The movable component further includes: a second pad, one side of which is fixedly connected to one side of one of the first load-bearing plates, and the other side of which is fixedly connected to one side of another of the first load-bearing plates.

8. A support steel joint according to claim 7, It is characterized in that At least two third sliding grooves are arranged on the first pad, at least two first sliding blocks are arranged on the second pad, and a plurality of the first sliding blocks are slidably connected with a plurality of the third sliding grooves.

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